Brazil 1816-M 640 reis

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Heritage sale 3020, lot 23250
photo courtesy Heritage Auction Galleries

This specimen was lot 23250 in Heritage sale 3020 (Long Beach, September 2012), where it sold for $4,700. The catalog description[1] noted, "João VI Prince Regent 640 Reis 1816-M, AU55 NGC, a choice example with well-struck features and appealing silvery-gray toning. Struck over an earlier coin but with an exceptionally bold M mintmark. Rare and highly desirable in this superior quality. From The Santana Collection of 640 Reis." This type was struck 1809-12 at Rio (KM 256.2, common), 1809-10 and 1816 at Bahia (KM 256.1) and 1810-16 at Minas Gerais (KM 256.3, very scarce).

Recorded mintage: unknown.

Specification: 17.92 g, .917 fine silver.

Catalog reference: KM 256.3, Russo-437.


  • Amato, Claudio, Irlei S. Neves and Arnaldo Russo, Livro das Moedas do Brasil, 12a ed. Sao Paulo, 2008.
  • Alberto Gomes and Francisco Antonio Magro, Moedas Portuguesas e do Território Que Hoje é Portugal: Catálogo das Moedas Cunhadas para o Continentes e Ilhas Adjacentes, para os Territórios do Ultramar e Grão-Mestres Portugueses da Ordem de Malta, 6ª Edição, Lisbon: Associação Numismática de Portugal, 2013.
  • Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1801-1900, 7th ed., Iola, WI: Krause Publications, 2012.
  • Pimentel, Alvaro Mendes, Catálogo de Moedas Brasileiras de 1643 a 1962, 9a Ed., Rio de Janeiro, 1962.
  • [1]Tucker, Warren, and Cris Bierrenbach, Heritage Signature Auction 3020: World Coins, Dallas, TX: Heritage Auction Galleries, 2012.

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